Husqvarna 326HD75 Air filter, Spark plug, Gearbox, Cleaning and lubrication, Maintenance, action

MAINTENANCE

Air filter

The air filter (A) should be cleaned regularly removing dust and dirt to avoid:

• carburetor malfunction

• starting problems

• reduced engine power

• unnecessary wear to engine parts

•abnormal fuel consump- tion

Clean the filter after every 25 hours or more regularly if operating conditions are exceptionally dusty.

Cleaning the air filter

Dismantle the air filter cover (B) and remove the air filter. Wash in clean, warm soapy water. Ensure that the filter is dry before refitting.

An air filter used for a long period of time can never be cleaned completely. Therefore it is necessary to replace the filter from time to time with a new filter. A damaged air filter must always be replaced.

Oiling the air filter Always use HUSQVARNA filter oil, order no. 503 47

73-01. The filter oil contains a solvent to make it spread evenly through the filter. You should therefore avoid skin contact. Put the filter in a plastic bag and the pour the filter oil over it. Knead the plastic bag to distribute the oil. Squeeze the excess oil out of the filter inside the plastic bag and pour off the excess before fitting the filter on the machine. Never use common engine oil. This would drain through the filter quite quickly and collect in the bottom.

Spark plug

The condition of the spark plug is affected by:

•An incorrect carburetor setting.

•An incorrect fuel mixture (too much or faulty oil).

•A dirty air filter.

These factors cause deposits on the spark plug electrode that may result in malfunction or starting difficulties.

If the machine is low on
power, difficult to start or
runs poorly while idling
always check the spark plug	0,5 mm
first before taking other
action.

If the spark plug is dirty, clean it and at the same time check that the electrode gap is

0.5mm. The spark plug should be changed after about one month of operation or earlier if necessary.

NOTE! Always use the recommended type of spark plug. An incorrect spark plug can damage the cylinder/piston.

Gearbox

There is a grease nipple (A) on the gearbox. Use a grease gun to top up with grease.

This should be carried out after approximately every 20 working hours. Use Husqvarna special grease, No. 503 98 96-01.

Note that the gearbox must not be filled completely with grease. The grease expands as the machine heats up during operation. If the gearbox was completely filled with grease it could

damage the seals and lead to leakage.

The lubricant in the gearbox does not normally need to be replaced other than with repair.

Cleaning and lubrication

After you have used the machine clean any resin and plant residue from the blades using cleaning agent 531 00 60-75 (UL22).

Always lubricate the blade runners with special grease 531 00 60-74 (UL 2001) before use.

16 – English